Home / 38,756.60-57,989.10-25,634.60

Finding the Fourth Proportional to 38,756.60, 57,989.10 and 25,634.60

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Solution

The fourth proportional to 38,756.60, 57,989.10 and 25,634.60 is: 38,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,756.60 : 57,989.10 = 25,634.60 : x
  2. Step 2: Convert to fraction form
    38,756.60/57,989.10 = 25,634.60/x
  3. Step 3: Cross multiply
    38,756.60x = 57,989.10 × 25,634.60
  4. Step 4: Simplify right side
    38,756.60x = 1,486,527,382.86
  5. Step 5: Solve for x
    x = 1,486,527,382.86/38,756.60
  6. Step 6: Final answer
    x = 38,355.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.